the first thing a UPS driver picks up each day is a handheld computer called a Delivery /information Acquisition Device (DIAD) , which can access one of the wireless network cell phones rely on As soon as the the driber logs on, his or her day's route is downloader onto the handheld the DIAD also automatically captures customers signatures along with pickup and delivery information .Package tracking information is then transmitted to UPS'computer network for storage and processing .From there ,the information can be accessed worldwide to provide proof of queries It usually takes less than 60 seconds from the time a driver presses "complete" on a DIAD for the new information to be available on the Web.